package com.igeek.ch02;

/**
 * @package com.igeek.ch01
 * @Description
 * @Author LittlePunk [296526219@qq.ccom]
 * @Version 2022.1
 * @Date 2023/11/15 13:56
 */
public interface ICount {
    public int add(int i, int j);

    public int sub(int i, int j);

    public double mul(double i, double j);

    public double div(double i, double j);
}
